Risholt started his career in local
Arendal. He also played for
Øyestad IF and
FK Jerv before he became a part of the
Start squad in 2000. With Start he took part in relegation from the
Norwegian Premier League in 2000 and promotion the following season. In 2002, he moved to
Fredrikstad, where he played an important part in helping them to successive promotion from the Norwegian Second Division to the Premier League. After the 2004 season with Fredrikstad he was voted player of the year by the supporters, and as a result of the good form he was displaying he was selected to be with the
Norwegian national team during their winter tour in the
Middle East where he won 3 caps, all as a substitute. Halfway through the 2005 season he left Fredrikstad for
AGF Aarhus, where he played one season for AGF which ended with relegation. In the summer of 2006 he moved to
BK Häcken, and once more experienced relegation. On 28 August 2007 Risholt signed for
Tromsø IL, and in December 2008 he signed for
Kongsvinger, where he would team up with his twin brother
Kai. On 31 August 2010, he signed for
Fredrikstad. He left
Fredrikstad to join
GIF Sundsvall in the winter 2011 before returning to Norway and
Sandefjord. As captain he helped the team to promotion to the
Norwegian Premier League in 2014. On the opening day of the Norwegian summer transfer window he decided to join
Fredrikstad for the third time in his career. He came on a free transfer and signed a 1,5 year contract, finally retiring at the end of 2016. ==Managerial career==